Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-05-2024 09:48

General

  • Target

    ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef.exe

  • Size

    4.1MB

  • MD5

    a3c419f3f21ea2b1f953b6afffa93ab3

  • SHA1

    fc3d57e90e505d0ea5a1194bc0d244eac6924505

  • SHA256

    ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef

  • SHA512

    ad6f26ce3277538232654956ebe8a07148ff4e817719c123245d107abeb94833cdd21e30602decd70bf6c8806a0a4cb8b6158ff681363dd1e9682b6a026036ac

  • SSDEEP

    98304:NH49zrfgobu9aDMWAg4dPDb/NQHvakIF/A8L3rqLZk5t2qZ3qL2LAZ5q:Er7OagDbOPW/F2k5tRZaLrk

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba payload 15 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

  • Drops file in System32 directory 7 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 7 IoCs

    Using powershell.exe command.

  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef.exe
    "C:\Users\Admin\AppData\Local\Temp\ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • C:\Users\Admin\AppData\Local\Temp\ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef.exe
      "C:\Users\Admin\AppData\Local\Temp\ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4180
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3788
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:1564
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -nologo -noprofile
        3⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:868
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Manipulates WinMonFS driver.
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3648
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell -nologo -noprofile
          4⤵
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1564
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:8
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:2108
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:468
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -nologo -noprofile
            4⤵
            • Drops file in System32 directory
            • Command and Scripting Interpreter: PowerShell
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2196
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2568
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:4920
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=1032,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3816 /prefetch:8
      1⤵
        PID:220

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kcmuyy4v.a32.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe

        Filesize

        281KB

        MD5

        d98e33b66343e7c96158444127a117f6

        SHA1

        bb716c5509a2bf345c6c1152f6e3e1452d39d50d

        SHA256

        5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

        SHA512

        705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        3d086a433708053f9bf9523e1d87a4e8

        SHA1

        b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

        SHA256

        6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

        SHA512

        931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

        Filesize

        19KB

        MD5

        533ad1196f0a9c4557a14a1da406ae28

        SHA1

        76fd7d6c6daed15e32077952bd161f08aa53fbd0

        SHA256

        d303f312f9eb5c1c0a985c71c3539454632e2f5ec4811fdb68778a6225fb11f6

        SHA512

        0750eed314a9e3f821bcefd3d642270012c45d67ef94aa30ee2cd5c91f942825fec0c34208bca58a51a04efbcd8dfefd28d1fef6394a20d5589032420e4b97a2

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

        Filesize

        19KB

        MD5

        660411ffc82bf6a37a0e6a02e34f2649

        SHA1

        389956ca9ad931917ac69bfad9d14fdc8da74bb8

        SHA256

        eb9ae1803567829b6696d3f514691320ba352efbbd4f374a99cfe941fa39bcb3

        SHA512

        9edc2b6c04e154054e212cd840da64d4b406c0b2b8fcba7be7552597553083fd267e71d3d84ada389a1c07280544dfeb83d4d592481e89d2dddd4b9ca763dbc5

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

        Filesize

        19KB

        MD5

        807886f005a68a12ae4b340bd55e7b76

        SHA1

        e33d5eb7bfdd2da757b22212ef1b10fb4d7d53a2

        SHA256

        d3094f5c07bd7b4077cb33f98b471c396d7b37ec543e9d4025684235a0824911

        SHA512

        d6d344a6dcd4c41260c10edf7f76b68e79769d7855f0ed23152f3c6975bb80b405abc0390a987d736ea5805e4ed90f4d4eab2223875579f8c91fc837ffc14ea4

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

        Filesize

        19KB

        MD5

        d3bd1cea506b53dcbf5058b4c67e1069

        SHA1

        6af2fd00afe1d3ffc84b2d9fd86ce451a378cdbc

        SHA256

        6937687ca6b6ca9637971c2319d49acd0a8464a62795912a8c2a6e0014d77484

        SHA512

        3076ea7cb0e7bd08190762e006c8ee3d60f5e55f957174416ab2e944f2ab19a8e7b6a84b8352aa5e89d23e930880b3250655a8488c13941cb6833808cb6f55b0

      • C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive

        Filesize

        19KB

        MD5

        a7f12c7b0146bbf9f5da5a0ee33ef4bd

        SHA1

        f2c9389b036bf65b60b93dc44a4651b0292466a5

        SHA256

        1239851965780a9200ad9ae1ff6e02eaaf09f48cc54fdf2b0e5349ff646f2387

        SHA512

        b5b97e81a548b753cc6fd0977da59df80913960870fecf730a2033f30cf5b98d1e1f3b14cd36e7d864b21d935b30ee9e368af85e4514909d128f5e6c7ee202a0

      • C:\Windows\rss\csrss.exe

        Filesize

        4.1MB

        MD5

        a3c419f3f21ea2b1f953b6afffa93ab3

        SHA1

        fc3d57e90e505d0ea5a1194bc0d244eac6924505

        SHA256

        ec71d99d67a0c77b556c316b7847f3f4b5e89bb7e5b8292bd23d6e2dadc60aef

        SHA512

        ad6f26ce3277538232654956ebe8a07148ff4e817719c123245d107abeb94833cdd21e30602decd70bf6c8806a0a4cb8b6158ff681363dd1e9682b6a026036ac

      • memory/468-186-0x0000000005BF0000-0x0000000005C04000-memory.dmp

        Filesize

        80KB

      • memory/468-173-0x000000006FE80000-0x000000006FECC000-memory.dmp

        Filesize

        304KB

      • memory/468-174-0x0000000070610000-0x0000000070964000-memory.dmp

        Filesize

        3.3MB

      • memory/468-172-0x0000000005E20000-0x0000000005E6C000-memory.dmp

        Filesize

        304KB

      • memory/468-184-0x0000000006FD0000-0x0000000007073000-memory.dmp

        Filesize

        652KB

      • memory/468-161-0x0000000005750000-0x0000000005AA4000-memory.dmp

        Filesize

        3.3MB

      • memory/468-185-0x0000000005BB0000-0x0000000005BC1000-memory.dmp

        Filesize

        68KB

      • memory/868-113-0x0000000005860000-0x0000000005BB4000-memory.dmp

        Filesize

        3.3MB

      • memory/868-115-0x0000000070000000-0x000000007004C000-memory.dmp

        Filesize

        304KB

      • memory/868-116-0x00000000707A0000-0x0000000070AF4000-memory.dmp

        Filesize

        3.3MB

      • memory/1564-159-0x0000000005A10000-0x0000000005A24000-memory.dmp

        Filesize

        80KB

      • memory/1564-145-0x0000000005D20000-0x0000000005D6C000-memory.dmp

        Filesize

        304KB

      • memory/1564-134-0x0000000005510000-0x0000000005864000-memory.dmp

        Filesize

        3.3MB

      • memory/1564-146-0x000000006FF60000-0x000000006FFAC000-memory.dmp

        Filesize

        304KB

      • memory/1564-147-0x0000000070700000-0x0000000070A54000-memory.dmp

        Filesize

        3.3MB

      • memory/1564-157-0x0000000006E20000-0x0000000006EC3000-memory.dmp

        Filesize

        652KB

      • memory/1564-158-0x00000000059C0000-0x00000000059D1000-memory.dmp

        Filesize

        68KB

      • memory/2196-198-0x000000006FE80000-0x000000006FECC000-memory.dmp

        Filesize

        304KB

      • memory/2196-199-0x0000000070610000-0x0000000070964000-memory.dmp

        Filesize

        3.3MB

      • memory/2296-92-0x0000000070000000-0x000000007004C000-memory.dmp

        Filesize

        304KB

      • memory/2296-93-0x0000000070180000-0x00000000704D4000-memory.dmp

        Filesize

        3.3MB

      • memory/2700-1-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2700-50-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/2700-51-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-27-0x000000006FF00000-0x000000006FF4C000-memory.dmp

        Filesize

        304KB

      • memory/2740-2-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-22-0x00000000070D0000-0x0000000007146000-memory.dmp

        Filesize

        472KB

      • memory/2740-3-0x0000000002690000-0x00000000026C6000-memory.dmp

        Filesize

        216KB

      • memory/2740-4-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-5-0x0000000005270000-0x0000000005898000-memory.dmp

        Filesize

        6.2MB

      • memory/2740-24-0x0000000007370000-0x000000000738A000-memory.dmp

        Filesize

        104KB

      • memory/2740-46-0x0000000007740000-0x0000000007748000-memory.dmp

        Filesize

        32KB

      • memory/2740-45-0x0000000007800000-0x000000000781A000-memory.dmp

        Filesize

        104KB

      • memory/2740-6-0x0000000005110000-0x0000000005132000-memory.dmp

        Filesize

        136KB

      • memory/2740-7-0x0000000005910000-0x0000000005976000-memory.dmp

        Filesize

        408KB

      • memory/2740-44-0x0000000007710000-0x0000000007724000-memory.dmp

        Filesize

        80KB

      • memory/2740-43-0x0000000007700000-0x000000000770E000-memory.dmp

        Filesize

        56KB

      • memory/2740-42-0x00000000076C0000-0x00000000076D1000-memory.dmp

        Filesize

        68KB

      • memory/2740-41-0x0000000007760000-0x00000000077F6000-memory.dmp

        Filesize

        600KB

      • memory/2740-40-0x00000000076A0000-0x00000000076AA000-memory.dmp

        Filesize

        40KB

      • memory/2740-8-0x0000000005980000-0x00000000059E6000-memory.dmp

        Filesize

        408KB

      • memory/2740-18-0x00000000059F0000-0x0000000005D44000-memory.dmp

        Filesize

        3.3MB

      • memory/2740-23-0x00000000079D0000-0x000000000804A000-memory.dmp

        Filesize

        6.5MB

      • memory/2740-38-0x0000000007590000-0x00000000075AE000-memory.dmp

        Filesize

        120KB

      • memory/2740-28-0x0000000070680000-0x00000000709D4000-memory.dmp

        Filesize

        3.3MB

      • memory/2740-26-0x0000000007550000-0x0000000007582000-memory.dmp

        Filesize

        200KB

      • memory/2740-49-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-25-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/2740-39-0x00000000075B0000-0x0000000007653000-memory.dmp

        Filesize

        652KB

      • memory/2740-19-0x0000000005FC0000-0x0000000005FDE000-memory.dmp

        Filesize

        120KB

      • memory/2740-20-0x0000000006050000-0x000000000609C000-memory.dmp

        Filesize

        304KB

      • memory/2740-21-0x0000000006500000-0x0000000006544000-memory.dmp

        Filesize

        272KB

      • memory/3648-220-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-216-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-225-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-218-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-215-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-224-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-223-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-222-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-221-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-217-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-226-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-219-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/3648-227-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB

      • memory/4180-77-0x0000000007410000-0x0000000007421000-memory.dmp

        Filesize

        68KB

      • memory/4180-64-0x0000000006430000-0x000000000647C000-memory.dmp

        Filesize

        304KB

      • memory/4180-66-0x0000000070180000-0x00000000704D4000-memory.dmp

        Filesize

        3.3MB

      • memory/4180-76-0x0000000007120000-0x00000000071C3000-memory.dmp

        Filesize

        652KB

      • memory/4180-78-0x0000000007460000-0x0000000007474000-memory.dmp

        Filesize

        80KB

      • memory/4180-63-0x00000000059B0000-0x0000000005D04000-memory.dmp

        Filesize

        3.3MB

      • memory/4180-65-0x0000000070000000-0x000000007004C000-memory.dmp

        Filesize

        304KB

      • memory/4484-131-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/4484-53-0x00007FFA4E290000-0x00007FFA4E485000-memory.dmp

        Filesize

        2.0MB

      • memory/4484-130-0x0000000000400000-0x0000000000D1C000-memory.dmp

        Filesize

        9.1MB